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Tencent Infrastructure Automation for Terraform
DocumentationTencent Infrastructure Automation for TerraformUser GuideSyntax GuideBasic Syntax
Basic Syntax
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Last updated: 2024-12-02 16:01:33
Basic Syntax
Last updated: 2024-12-02 16:01:33
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Basic Type

A primitive type is simple type that is not made from any other types. All primitive types in Terraform are represented by a type keyword. Available primitive types include:
string: A sequence of Unicode characters representing some text (such as "hello").
number: A numeric value, which can be an integer or a decimal.
bool: A Boolean value, which can be true or false.
Sample:
id = 123
vpc_id = "123"
status = true

Complex Type

A complex type is a type that groups multiple values into a single value.

Collection type

A collection contains a set of values of the same type:
list(...): A sequence of values identified by consecutive integers starting with 0.
map(...): A set of values, each of which is identified by a string label.
set(...): A set of unique values.

Structural type

object(...): A custom type that contains its own named attributes.
tuple(...): A sequence of elements identified by consecutive integers starting with 0, where each element has its own type.

Special type

null: An argument set to null is considered omitted. Terraform will automatically ignore the argument and use the default value.
any: It is a very special type constraint in Terraform. It is not a type but simply a placeholder. Whenever a value is given a complex type constrained by any, Terraform will try to calculate the most accurate type to replace any.

Argument

Argument assignment means assigning a value to a specific argument name. The name can contain letters, numbers, underscores, and hyphens and cannot begin with a number, such as:
id = "123"

Block

A block is a container for a set of arguments, such as:
resource "tencentcloud_instance" "foo" {
    tags                                    = {}
    vpc_id                                  = "vpc-5bt2ix8p"
}

Comment

Terraform supports the following three types of comments:
#: A single-line comment followed by the comment content.
//: A single-line comment followed by the comment content.
/* and */: Multi-line comments that might be span over multiple lines.
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